Home / 849,766.70-1,172,711.49-467,829.02

Finding the Fourth Proportional to 849,766.70, 1,172,711.49 and 467,829.02

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Solution

The fourth proportional to 849,766.70, 1,172,711.49 and 467,829.02 is: 645,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,766.70 : 1,172,711.49 = 467,829.02 : x
  2. Step 2: Convert to fraction form
    849,766.70/1,172,711.49 = 467,829.02/x
  3. Step 3: Cross multiply
    849,766.70x = 1,172,711.49 × 467,829.02
  4. Step 4: Simplify right side
    849,766.70x = 548,628,467,109.44
  5. Step 5: Solve for x
    x = 548,628,467,109.44/849,766.70
  6. Step 6: Final answer
    x = 645,622.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.